CVE-2025-38686
MediumSummary
W jądrze Linuxa naprawiono podatność, która powodowała awarię w UFFDIO_MOVE, gdy PMD był wpisem migracyjnym. Problem występował podczas uzyskiwania folio i dostępu do niego, mimo że wpis był typu swp_entry_t.
Risk Assessment
Organizacje mogą doświadczać awarii systemu, co prowadzi do przerw w działaniu usług i potencjalnej utraty danych. Wysokie ryzyko wpływa na stabilność i dostępność systemów opartych na jądrze Linux.
Recommendation
Zaleca się aktualizację jądra Linux do najnowszej wersji, aby usunąć tę podatność i zminimalizować ryzyko awarii systemu.
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Original NVD description (English source)
In the Linux kernel, the following vulnerability has been resolved: userfaultfd: fix a crash in UFFDIO_MOVE when PMD is a migration entry When UFFDIO_MOVE encounters a migration PMD entry, it proceeds with obtaining a folio and accessing it even though the entry is swp_entry_t. Add the missing ch
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

